MTV is cutting the girls loose! There's only one more season of The Hills, so the network released this Desperate Housewives-esque promo to entice viewers...

Sidebar, what's going on with Heidi in this trailer? How come she's not flying high like the rest of 'em!

Meanwhile, Kristin Cavallari was spotted running errands in Bev Hills today with an Audrina lookalike: